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Lateral instability in normal viscous fingers

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dc.creator Ledesma Aguilar, Rodrigo Andrés
dc.creator Quevedo-Reyes, M.
dc.creator Corvera Poiré, Eugenia
dc.creator Hernández Machado, Aurora
dc.date 2011-07-07T12:50:53Z
dc.date 2011-07-07T12:50:53Z
dc.date 2005
dc.date.accessioned 2024-12-16T10:27:18Z
dc.date.available 2024-12-16T10:27:18Z
dc.identifier 1539-3755
dc.identifier http://hdl.handle.net/2445/18701
dc.identifier 561754
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/22227
dc.description We study a low-amplitude, long-wavelength lateral instability of the Saffman-Taylor finger by means of a phase-field model. We observe such an instability in two situations in which small dynamic perturbations are overimposed to a constant pressure drop. We first study the case in which the perturbation consists of a single oscillatory mode and then a case in which the perturbation consists of temporal noise. In both cases the instability undergoes a process of selection.
dc.format 7 p.
dc.format application/pdf
dc.language eng
dc.publisher The American Physical Society
dc.relation Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.71.016312
dc.relation Physical Review E, 2005, vol. E71, p. 016312-1-016312-7
dc.relation http://dx.doi.org/10.1103/PhysRevE.71.016312
dc.rights (c) The American Physical Society, 2005
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject Dinàmica de fluids
dc.subject Viscositat
dc.subject Fluid dynamics
dc.subject Viscosity
dc.title Lateral instability in normal viscous fingers
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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